/*********************************************************************************
 *      Copyright:  (C) 2025 LingYun<iot25@lingyun>
 *                  All rights reserved.
 *
 *       Filename:  thread.c
 *    Description:  This file 
 *                 
 *        Version:  1.0.0(05/03/25)
 *         Author:  LingYun <iot25@lingyun>
 *      ChangeLog:  1, Release initial version on "05/03/25 19:34:21"
 *                 
 ********************************************************************************/
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <stdlib.h>
#include <unistd.h>
#include <pthread.h>

void *thread_worker1(void *args);
void *thread_worker2(void *args);

int main(int argc,char **argv)
{
	int				shared_var = 1000;
	pthread_t		tid;
	pthread_attr_t	thread_attr;

	if( pthread_attr_init(&thread_attr))
	{
		printf("pthread _attr_init() failure: %s\n,strerror(errno)");
		return -1;
	}
	  if( pthread_attr_setstacksize(&thread_attr,120*1024) )
	  {
		  printf("pthread_attr_setstacksize() failure: %s\n", strerror(errno));
		  return -1;
	  }

	  if( pthread_attr_setdetachstate(&thread_attr,PTHREAD_CREATE_DETACHED) )
	  {
		  printf("pthread_attr_setdetachstate() failure: %s\n", strerror(errno));
		  return -1;
	  }
	  pthread_create(&tid,&thread_attr,thread_worker1,&shared_var);
	  printf("Thread woreker1 tid[%ld] created ok\n",tid);

	  pthread_create(&tid, NULL, thread_worker2, &shared_var);
	  printf("Thread worker2 tid[%ld] created ok\n", tid);
	  pthread_attr_destroy(&thread_attr);

	  /* Wait until thread worker2 exit() */
	  pthread_join(tid,NULL);

	  while(1)
	  {
		  printf("Main/Control thread shared_var: %d\n",shared_var);
		  sleep(10);
	  }

}

void *thread_worker1(void *args)
{
	int				*ptr = (int *)args;

	if( !args )
	{
		printf("%s() get invalid arguments\n",__func__);
		pthread_exit(NULL);
	}
		printf("Thread worker1 [%ld] start running...\n",pthread_self());
		while(1)
		{
			printf("+++: %s before shared_var++: %d\n",__func__,*ptr);
			*ptr +=1;
			sleep(2);
			printf("+++: %s after sleep shared_var: %d\n",__func__,*ptr);
		}
		printf("Thread worker 1 exit...\n");
		return NULL;
}

void *thread_worker2(void *args)
{
	int				*ptr = (int *)args;

	if( !args )
	{
		printf("%s() get invalid arguments\n",__func__);
		pthread_exit(NULL);
	}

	printf("Thread worker 2 [%ls] start running...\n",pthread_self());

	while(1)
	{
		printf("---: %s before shared_var++: %d\n",__func__,*ptr);
		*ptr +=1;
		sleep(2);
		printf("---: %s after sleep shared_var:%d\n",__func__,*ptr);
		
	}
	printf("Thread worker  2 exit...\n");
	return NULL;
}

